Nonsense, everyone does, well at least everyone who ever learns to read:
The paomnnehil pweor of the hmuan mnid: Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a total mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. Amzanig huh?
Someone trying to "sound out" the above paragraph using phonics rules would be hopelessly lost. It's readable because most people have long since memorized thousands upon thousands of Sight words.
That’s a good example for showing that despite changes that would produce major differences in sound, by sight the basic meaning of the sentences is fairly easy to determine. I suspect that the originator chose those particular words to make doing that as easy as possible, though. I was curious to see if other scrambled words would be as easy to read, so I tried doing that to the first long sentence in the first post of this thread (using the same technique — keeping the first and last letters in place). The result seems a good bit harder (to me anyway, and I did the rearranging).
“The sec-load ertexeps who erenineged tihs denlice hvae swohn a dinomec cenvserels in atkacintg the cmoomn snese of pihoncs, wlihe pliing up shotpisires taht spopudsely jifsuty the haox of Wlhoe Wrod or Shigt Wdros.”
Note that I intentionally tried to change the interior shapes of the words, though, and it’s the shapes along with the context that help us when reading by sight. If the letters were rearranged at random, the words would be easier than in my example. The basic point still holds that fast readers can recognize the meaning of many words just by glancing at them and without confirming that all the letters are in the proper order. (The fact that we often don’t spot typos, even those that would change the pronunciation in a conspicuous way, is a confirmation of this.)